ProgramNode(0...17)(
  [],
  StatementsNode(0...17)(
    [InterpolatedStringNode(0...17)(
       (0...4),
       [EmbeddedStatementsNode(5...9)(
          (5...7),
          StatementsNode(7...8)(
            [CallNode(7...8)(nil, nil, (7...8), nil, nil, nil, nil, 0, "x")]
          ),
          (8...9)
        ),
        StringNode(9...16)(nil, (9...16), nil, "\n" + "blah2\n")],
       (16...17)
     )]
  )
)
